#910504 Long delay until kernel logs “random: crng init done” and allows eg. gdm3 to start

Package:
broadcom-sta-dkms
Source:
broadcom-sta
Submitter:
Grzegorz Szymaszek
Date:
2021-08-15 18:33:02 UTC
Severity:
normal
Tags:
#910504#5
Date:
2018-10-07 11:01:27 UTC
From:
To:
Dell Latitude E6420 with a Dell Wireless 1530 (Broadcom BCM43228) card.

When this package is installed, there’s a long delay between systemd’s
“Startup finished” message and kernel’s “crng init done” message, around
3–4 minutes. While the SSH server is available immediately (once
connected to WiFi), GDM does not start until the latter message gets
logged.

The problem does not occur if the rng-tools package is installed.

See also <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1685794>.

#910504#10
Date:
2021-06-27 13:06:03 UTC
From:
To:
control: tag -1 +moreinfo

Dear Grzegorz,

Per the posts below, I guess this issue is already resolved.
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1685794
- https://lwn.net/Articles/760121/

Can you kindly confirm at your side?
Thank you!

Cheers,

#910504#17
Date:
2021-06-27 17:04:22 UTC
From:
To:
Dear Roger,

I am going to upgrade the affected systems to bullseye and will check
this issue while doing so. But looks like it should be solved indeed.

Thanks for reminding me about this bug report.

All the best

#910504#22
Date:
2021-08-15 17:49:48 UTC
From:
To:
Dear Roger,

I’ve tested this again on the same machine that caused this bug report.
Debian bullseye, upgraded from buster just today; neither rng-tools nor
haveged are installed. GDM (or, in general, any text console or
graphical display manager) starts immediately when broadcom-sta-dkms is
installed, as well as when it is not. From this point of view, the bug
is fixed.

Thanks!